HttpWebRequest in c# do not work with .net 4.5

Question

i\'m working on an c# project that send a xml to a server and receives a xml as response.
With .Net Framework 4.0 installed that works fine.
With .Net Framework 4.5

Answer 1

I had the same strange problem in IdnEquivalent. The problem persisted when I had Fiddler web debugger launched during my debug session. After I shut it down the problem disappeared.